#include<stdio.h>
int main()
{
	char arr1[1000];
	char arr2[1000];
	int j = 0,i=0;
	gets(arr1);
	while(arr1[i] != '\0'){
	
		if(arr1[i] == 'a'||arr1[i] == 'e'||arr1[i] == 'i'||arr1[i] == 'o'||arr1[i] == 'u')
		{
	       arr2[j] = arr1[i];
	       j++;
		}
		i++;
	}
	arr2[j+1] = '\0';
	puts(arr2);
	return 0;
 } 
